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Finding the Fourth Proportional to 271,894.05, 375,273.81 and 151,076.88

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Solution

The fourth proportional to 271,894.05, 375,273.81 and 151,076.88 is: 208,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,894.05 : 375,273.81 = 151,076.88 : x
  2. Step 2: Convert to fraction form
    271,894.05/375,273.81 = 151,076.88/x
  3. Step 3: Cross multiply
    271,894.05x = 375,273.81 × 151,076.88
  4. Step 4: Simplify right side
    271,894.05x = 56,695,196,360.51
  5. Step 5: Solve for x
    x = 56,695,196,360.51/271,894.05
  6. Step 6: Final answer
    x = 208,519.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.